Home / 2,631.06-3,630.96-1,512.23

Finding the Fourth Proportional to 2,631.06, 3,630.96 and 1,512.23

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Solution

The fourth proportional to 2,631.06, 3,630.96 and 1,512.23 is: 2,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.06 : 3,630.96 = 1,512.23 : x
  2. Step 2: Convert to fraction form
    2,631.06/3,630.96 = 1,512.23/x
  3. Step 3: Cross multiply
    2,631.06x = 3,630.96 × 1,512.23
  4. Step 4: Simplify right side
    2,631.06x = 5,490,828.49
  5. Step 5: Solve for x
    x = 5,490,828.49/2,631.06
  6. Step 6: Final answer
    x = 2,086.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.